Suction tin use:

? 1， the first suction tin piston downward pressure to get stuck.

? 2， electric iron heating pad until the solder melts.

? 3. Remove the electric iron at the same time， quickly put the suction nozzle tin solder paste， and presses the suction tin button. 4， once the suction is not clean， repeat the operation several times.

Suction tin tips:

? (1) To ensure that suction tin piston seal is good. Before electricity， stick a finger suction tin head hole， press the button， such as the piston is not easy to pop into place， indicating that the seal is good.

? (2) suction tin head aperture different sizes， to choose the right size to use.

? (3) After the first suction tin old， to the timely replacement.

? (4) before the contact pads， each dip a little rosin， to improve the flow of solder.

? (5) contact pads of the head slightly longer period of time， when the solder melts to solder pin as the center， hands outward in a clockwise direction after drawing a circle， and then press the suction tin button.